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Filtering mesh capable of preventing and controlling haze

A filter and layer mesh technology, applied in the field of car air purification, can solve problems such as depression, unfavorable growth of children, and affecting reproductive ability, so as to achieve the effect of purifying the air in the car and protecting the health of the respiratory system

Inactive Publication Date: 2016-03-30
WUXI QIAOYANG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] (4) Not conducive to children's growth
In addition, due to the weak light and the resulting low air pressure in foggy days, some people will experience laziness and depression in foggy days
[0016] (6) Affect reproductive ability
[0021] The filters in the prior art purify the air through filtration or adsorption, but nitrogen oxides or sulfur oxides in the air cannot be removed by filtration or adsorption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The catalyst is prepared by the impregnation method, the carrier is zeolite beta, the molar ratio of Si / (Si+Al+P) in the framework structure of the zeolite is 0.30, and the active component is V doped with Ce. 2 o 5 / (MoO 3 )x (WO 3 ) 1-x with TiO 2 Mixture, Ce:V 2 o 5 / (MoO 3 ) x (WO 3 ) 1-x :TiO 2 The molar ratio is 0.25:1:2, and the titanium dioxide is an anatase crystal form, the weight content of the active component in the catalyst is 4%, and the x is 0.25;

[0040] The promoter is silver and palladium, the molar ratio of silver to palladium is 2:5, and the weight content of the promoter in the catalyst is 1%.

[0041] The activated carbon layer comprises the following composition:

[0042] A) 40% β-type iron silicate, the composition of the β-type iron silicate is as follows:

[0043] (x+y)M (2 / n) O·xFe 2 o 3 ·yAl 2 o 3 · zSiO 2 ·wH 2 o

[0044] In the formula, M represents Ce, n is the atomic valence of the cation M, x+y+z=1, z / x is 150, and...

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PUM

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Abstract

The invention discloses a filtering mesh capable of preventing and controlling haze. The filtering mesh comprises an edge frame, wherein at least six layers of mesh-shaped structures are fixedly arranged in the edge frame; each mesh-shaped structure is overlaid with a metal mesh supporting layer, a porous fibre layer, an activated carbon layer, a catalyzing layer, a porous fibre layer and a metal mesh supporting layer in sequence from inside to outside. After haze air passes through the filtering mesh, the content of PM2.5 particles, nitric oxides and sulfur oxides is reduced to an extremely low level, so that air in a car is effectively purified, and the health of respiratory systems of persons in the car can be protected.

Description

technical field [0001] The invention relates to the field of automobile air purification, in particular to a filter screen for preventing haze. Background technique [0002] Haze weather is a state of air pollution. Haze is a general expression of the excessive content of various suspended particulate matter in the atmosphere, especially PM2.5 (particulate matter with an aerodynamic equivalent diameter less than or equal to 2.5 microns) is considered to cause haze. The "culprit" of the weather. [0003] Fog is an aerosol system composed of a large number of tiny water droplets or ice crystals suspended in the air near the surface. It mostly occurs in autumn and winter, and is the product of condensation (or sublimation) of water vapor in the air near the surface. The existence of fog will reduce the transparency of the air and deteriorate the visibility. If the horizontal visibility of the target is reduced to within 1000 meters, the weather phenomenon of water vapor conde...

Claims

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Application Information

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IPC IPC(8): B01D46/00B01D46/10B01D46/30B01D53/86B01D53/60B01J29/78
CPCB01D46/0027B01D46/10B01D46/30B01D53/60B01D53/8637B01J29/7815B01D2257/40B01D2257/302B01J2523/00B01D46/58B01J23/002B01J2523/3712B01J2523/47B01J2523/55B01J2523/68B01J2523/69Y02A50/20
Inventor 沈秋
Owner WUXI QIAOYANG MACHINERY MFG